c7340170 |
1 | #include <assert.h> |
2 | #include <string.h> |
3 | #include <errno.h> |
4 | #include <stdlib.h> |
5 | #include <sys/types.h> |
6 | #include <sys/socket.h> |
7 | #include <netinet/in.h> |
8 | #include <arpa/inet.h> |
9 | #include <unistd.h> |
10 | #include <fcntl.h> |
11 | #include "harness.h" |
12 | static FILE *Tinputfile, *Treportfile; |
13 | static vbuf vb2; |
14 | extern void Tshutdown(void) { |
15 | adns__vbuf_free(&vb2); |
16 | } |
17 | static void Tensurereportfile(void) { |
18 | const char *fdstr; |
19 | int fd; |
20 | if (Treportfile) return; |
21 | Treportfile= stderr; |
22 | fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return; |
23 | fd= atoi(fdstr); |
24 | Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD"); |
25 | } |
26 | static void Psyntax(const char *where) { |
27 | fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where); |
28 | exit(-1); |
29 | } |
30 | static void Pcheckinput(void) { |
31 | if (ferror(Tinputfile)) Tfailed("read test log input file"); |
32 | if (feof(Tinputfile)) Psyntax("eof at syscall reply"); |
33 | } |
34 | static void Tensureinputfile(void) { |
35 | const char *fdstr; |
36 | int fd; |
37 | int chars; |
38 | unsigned long sec, usec; |
39 | if (Tinputfile) return; |
40 | Tinputfile= stdin; |
41 | fdstr= getenv("ADNS_TEST_IN_FD"); |
42 | if (fdstr) { |
43 | fd= atoi(fdstr); |
44 | Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD"); |
45 | } |
46 | setvbuf(Tinputfile,0,_IONBF,0); |
47 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
48 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
49 | chars= -1; |
50 | sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars); |
51 | if (chars==-1) Psyntax("start time invalid"); |
52 | currenttime.tv_sec= sec; |
53 | currenttime.tv_usec= usec; |
54 | if (vb2.buf[chars] != '\n') Psyntax("not newline after start time"); |
55 | } |
56 | static void Parg(const char *argname) { |
57 | int l; |
58 | if (vb2.buf[vb2.used++] != ' ') Psyntax("not a space before argument"); |
59 | l= strlen(argname); |
60 | if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong"); |
61 | vb2.used+= l; |
62 | if (vb2.buf[vb2.used++] != '=') Psyntax("not = after argument name"); |
63 | } |
64 | static int Pstring_maybe(const char *string) { |
65 | int l; |
66 | l= strlen(string); |
67 | if (memcmp(vb2.buf+vb2.used,string,l)) return 0; |
68 | vb2.used+= l; |
69 | return 1; |
70 | } |
71 | static void Pstring(const char *string, const char *emsg) { |
72 | if (Pstring_maybe(string)) return; |
73 | Psyntax(emsg); |
74 | } |
75 | static int Perrno(const char *stuff) { |
76 | const struct Terrno *te; |
77 | int r; |
78 | char *ep; |
79 | for (te= Terrnos; te->n && strcmp(te->n,stuff); te++); |
80 | if (te->n) return te->v; |
81 | r= strtoul(stuff+2,&ep,10); |
82 | if (*ep) Psyntax("errno value not recognised, not numeric"); |
83 | return r; |
84 | } |
85 | static void P_updatetime(void) { |
86 | int chars; |
87 | unsigned long sec, usec; |
88 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
89 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
90 | chars= -1; |
91 | sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars); |
92 | if (chars==-1) Psyntax("update time invalid"); |
93 | currenttime.tv_sec+= sec; |
94 | currenttime.tv_usec+= usec; |
95 | if (currenttime.tv_usec > 1000000) { |
96 | currenttime.tv_sec++; |
97 | currenttime.tv_usec -= 1000000; |
98 | } |
99 | if (vb2.buf[chars] != '\n') Psyntax("not newline after update time"); |
100 | } |
101 | static void Pfdset(fd_set *set, int max) { |
102 | int r, c; |
103 | char *ep; |
104 | if (vb2.buf[vb2.used++] != '[') Psyntax("fd set start not ["); |
105 | FD_ZERO(set); |
106 | if (vb2.buf[vb2.used] == ']') { vb2.used++; return; } |
107 | for (;;) { |
108 | r= strtoul(vb2.buf+vb2.used,&ep,10); |
109 | if (r>=max) Psyntax("fd set member > max"); |
110 | if (ep == (char*)vb2.buf+vb2.used) Psyntax("empty entry in fd set"); |
111 | FD_SET(r,set); |
112 | vb2.used= ep - (char*)vb2.buf; |
113 | c= vb2.buf[vb2.used++]; |
114 | if (c == ']') break; |
115 | if (c != ',') Psyntax("fd set separator not ,"); |
116 | } |
117 | } |
118 | #ifdef HAVE_POLL |
119 | static int Ppollfdevents(void) { |
120 | int events; |
121 | if (Pstring_maybe("0")) return 0; |
122 | events= 0; |
123 | if (Pstring_maybe("POLLIN")) { |
124 | events |= POLLIN; |
125 | if (!Pstring_maybe("|")) return events; |
126 | } |
127 | if (Pstring_maybe("POLLOUT")) { |
128 | events |= POLLOUT; |
129 | if (!Pstring_maybe("|")) return events; |
130 | } |
131 | Pstring("POLLPRI","pollfdevents PRI?"); |
132 | return events; |
133 | } |
134 | static void Ppollfds(struct pollfd *fds, int nfds) { |
135 | int i; |
136 | char *ep; |
137 | const char *comma= ""; |
138 | if (vb2.buf[vb2.used++] != '[') Psyntax("pollfds start not ["); |
139 | for (i=0; i<nfds; i++) { |
140 | Pstring("{fd=","{fd= in pollfds"); |
141 | fds->fd= strtoul(vb2.buf+vb2.used,&ep,10); |
142 | vb2.used= ep - (char*)vb2.buf; |
143 | Pstring(", events=",", events= in pollfds"); |
144 | fds->events= Ppollfdevents(); |
145 | Pstring(", revents=",", revents= in pollfds"); |
146 | fds->revents= Ppollfdevents(); |
147 | Pstring("}","} in pollfds"); |
148 | Pstring(comma,"separator in pollfds"); |
149 | comma= ", "; |
150 | } |
151 | if (vb2.buf[vb2.used++] != ']') Psyntax("pollfds end not ]"); |
152 | } |
153 | #endif |
154 | static void Paddr(struct sockaddr *addr, int *lenr) { |
155 | struct sockaddr_in *sa= (struct sockaddr_in*)addr; |
156 | char *p, *ep; |
157 | long ul; |
158 | assert(*lenr >= sizeof(*sa)); |
159 | p= strchr(vb2.buf+vb2.used,':'); |
160 | if (!p) Psyntax("no port on address"); |
161 | *p++= 0; |
162 | memset(sa,0,sizeof(*sa)); |
163 | sa->sin_family= AF_INET; |
164 | if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address"); |
165 | ul= strtoul(p,&ep,10); |
166 | if (*ep && *ep != ' ') Psyntax("invalid port (bad syntax)"); |
167 | if (ul >= 65536) Psyntax("port too large"); |
168 | sa->sin_port= htons(ul); |
169 | *lenr= sizeof(*sa); |
170 | vb2.used= ep - (char*)vb2.buf; |
171 | } |
172 | static int Pbytes(byte *buf, int maxlen) { |
173 | static const char hexdigits[]= "0123456789abcdef"; |
174 | int c, v, done; |
175 | const char *pf; |
176 | done= 0; |
177 | for (;;) { |
178 | c= getc(Tinputfile); Pcheckinput(); |
179 | if (c=='\n' || c==' ' || c=='\t') continue; |
180 | if (c=='.') break; |
181 | pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit"); |
182 | v= (pf-hexdigits)<<4; |
183 | c= getc(Tinputfile); Pcheckinput(); |
184 | pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit"); |
185 | v |= (pf-hexdigits); |
186 | if (maxlen<=0) Psyntax("buffer overflow in bytes"); |
187 | *buf++= v; |
188 | maxlen--; done++; |
189 | } |
190 | for (;;) { |
191 | c= getc(Tinputfile); Pcheckinput(); |
192 | if (c=='\n') return done; |
193 | } |
194 | } |
195 | void Q_vb(void) { |
196 | int r; |
197 | const char *nl; |
198 | Tensureinputfile(); |
199 | if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem(); |
200 | r= fread(vb2.buf,1,vb.used+2,Tinputfile); |
201 | if (feof(Tinputfile)) { |
202 | fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n", |
203 | vb.used,vb.buf); |
204 | exit(-1); |
205 | } |
206 | Pcheckinput(); |
207 | if (vb2.buf[0] != ' ') Psyntax("not space before call"); |
208 | if (memcmp(vb.buf,vb2.buf+1,vb.used) || |
209 | vb2.buf[vb.used+1] != '\n') { |
210 | fprintf(stderr, |
211 | "adns test harness: program did unexpected:\n %.*s\n" |
212 | "was expecting:\n %.*s\n", |
213 | vb.used,vb.buf, vb.used,vb2.buf+1); |
214 | exit(1); |
215 | } |
216 | Tensurereportfile(); |
217 | nl= memchr(vb.buf,'\n',vb.used); |
218 | fprintf(Treportfile," %.*s\n", (int)(nl ? nl - (const char*)vb.buf : vb.used), vb.buf); |
219 | } |
220 | int Hselect( int max , fd_set *rfds , fd_set *wfds , fd_set *efds , struct timeval *to ) { |
221 | int r, amtread; |
222 | char *ep; |
223 | Qselect( max , rfds , wfds , efds , to ); |
224 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
225 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
226 | Tensurereportfile(); |
227 | fprintf(Treportfile,"%s",vb2.buf); |
228 | amtread= strlen(vb2.buf); |
229 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
230 | Psyntax("badly formed line"); |
231 | vb2.buf[amtread]= 0; |
232 | if (memcmp(vb2.buf," select=",8)) Psyntax("syscall reply mismatch"); |
233 | if (vb2.buf[8] == 'E') { |
234 | int e; |
235 | e= Perrno(vb2.buf+8); |
236 | P_updatetime(); |
237 | errno= e; |
238 | return -1; |
239 | } |
240 | r= strtoul(vb2.buf+8,&ep,10); |
241 | if (*ep && *ep!=' ') Psyntax("return value not E* or positive number"); |
242 | vb2.used= ep - (char*)vb2.buf; |
243 | Parg("rfds"); Pfdset(rfds,max); |
244 | Parg("wfds"); Pfdset(wfds,max); |
245 | Parg("efds"); Pfdset(efds,max); |
246 | assert(vb2.used <= amtread); |
247 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
248 | P_updatetime(); |
249 | return r; |
250 | } |
251 | #ifdef HAVE_POLL |
252 | int Hpoll( struct pollfd *fds , int nfds , int timeout ) { |
253 | int r, amtread; |
254 | char *ep; |
255 | Qpoll( fds , nfds , timeout ); |
256 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
257 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
258 | Tensurereportfile(); |
259 | fprintf(Treportfile,"%s",vb2.buf); |
260 | amtread= strlen(vb2.buf); |
261 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
262 | Psyntax("badly formed line"); |
263 | vb2.buf[amtread]= 0; |
264 | if (memcmp(vb2.buf," poll=",6)) Psyntax("syscall reply mismatch"); |
265 | if (vb2.buf[6] == 'E') { |
266 | int e; |
267 | e= Perrno(vb2.buf+6); |
268 | P_updatetime(); |
269 | errno= e; |
270 | return -1; |
271 | } |
272 | r= strtoul(vb2.buf+6,&ep,10); |
273 | if (*ep && *ep!=' ') Psyntax("return value not E* or positive number"); |
274 | vb2.used= ep - (char*)vb2.buf; |
275 | Parg("fds"); Ppollfds(fds,nfds); |
276 | assert(vb2.used <= amtread); |
277 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
278 | P_updatetime(); |
279 | return r; |
280 | } |
281 | #endif |
282 | int Hsocket( int domain , int type , int protocol ) { |
283 | int r, amtread; |
284 | char *ep; |
285 | Tmust("socket","domain",domain==AF_INET); |
286 | Tmust("socket","type",type==SOCK_STREAM || type==SOCK_DGRAM); |
287 | Qsocket( type ); |
288 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
289 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
290 | Tensurereportfile(); |
291 | fprintf(Treportfile,"%s",vb2.buf); |
292 | amtread= strlen(vb2.buf); |
293 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
294 | Psyntax("badly formed line"); |
295 | vb2.buf[amtread]= 0; |
296 | if (memcmp(vb2.buf," socket=",8)) Psyntax("syscall reply mismatch"); |
297 | if (vb2.buf[8] == 'E') { |
298 | int e; |
299 | e= Perrno(vb2.buf+8); |
300 | P_updatetime(); |
301 | errno= e; |
302 | return -1; |
303 | } |
304 | r= strtoul(vb2.buf+8,&ep,10); |
305 | if (*ep && *ep!=' ') Psyntax("return value not E* or positive number"); |
306 | vb2.used= ep - (char*)vb2.buf; |
307 | assert(vb2.used <= amtread); |
308 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
309 | P_updatetime(); |
310 | return r; |
311 | } |
312 | int Hfcntl( int fd , int cmd , ... ) { |
313 | int r, amtread; |
314 | va_list al; long arg; |
315 | Tmust("fcntl","cmd",cmd==F_SETFL || cmd==F_GETFL); |
316 | if (cmd == F_SETFL) { |
317 | va_start(al,cmd); arg= va_arg(al,long); va_end(al); |
318 | } else { |
319 | arg= 0; |
320 | } |
321 | Qfcntl( fd , cmd , arg ); |
322 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
323 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
324 | Tensurereportfile(); |
325 | fprintf(Treportfile,"%s",vb2.buf); |
326 | amtread= strlen(vb2.buf); |
327 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
328 | Psyntax("badly formed line"); |
329 | vb2.buf[amtread]= 0; |
330 | if (memcmp(vb2.buf," fcntl=",7)) Psyntax("syscall reply mismatch"); |
331 | if (vb2.buf[7] == 'E') { |
332 | int e; |
333 | e= Perrno(vb2.buf+7); |
334 | P_updatetime(); |
335 | errno= e; |
336 | return -1; |
337 | } |
338 | r= 0; |
339 | if (cmd == F_GETFL) { |
340 | if (!memcmp(vb2.buf+7,"O_NONBLOCK|...",14)) { |
341 | r= O_NONBLOCK; |
342 | vb2.used= 7+14; |
343 | } else if (!memcmp(vb2.buf+7,"~O_NONBLOCK&...",15)) { |
344 | vb2.used= 7+15; |
345 | } else { |
346 | Psyntax("fcntl flags not O_NONBLOCK|... or ~O_NONBLOCK&..."); |
347 | } |
348 | } else if (cmd == F_SETFL) { |
349 | if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK"); |
350 | vb2.used= 7+2; |
351 | r= 0; |
352 | } else { |
353 | Psyntax("fcntl not F_GETFL or F_SETFL"); |
354 | } |
355 | assert(vb2.used <= amtread); |
356 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
357 | P_updatetime(); |
358 | return r; |
359 | } |
360 | int Hconnect( int fd , const struct sockaddr *addr , int addrlen ) { |
361 | int r, amtread; |
362 | Qconnect( fd , addr , addrlen ); |
363 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
364 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
365 | Tensurereportfile(); |
366 | fprintf(Treportfile,"%s",vb2.buf); |
367 | amtread= strlen(vb2.buf); |
368 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
369 | Psyntax("badly formed line"); |
370 | vb2.buf[amtread]= 0; |
371 | if (memcmp(vb2.buf," connect=",9)) Psyntax("syscall reply mismatch"); |
372 | if (vb2.buf[9] == 'E') { |
373 | int e; |
374 | e= Perrno(vb2.buf+9); |
375 | P_updatetime(); |
376 | errno= e; |
377 | return -1; |
378 | } |
379 | if (memcmp(vb2.buf+9,"OK",2)) Psyntax("success/fail not E* or OK"); |
380 | vb2.used= 9+2; |
381 | r= 0; |
382 | assert(vb2.used <= amtread); |
383 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
384 | P_updatetime(); |
385 | return r; |
386 | } |
387 | int Hclose( int fd ) { |
388 | int r, amtread; |
389 | Qclose( fd ); |
390 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
391 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
392 | Tensurereportfile(); |
393 | fprintf(Treportfile,"%s",vb2.buf); |
394 | amtread= strlen(vb2.buf); |
395 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
396 | Psyntax("badly formed line"); |
397 | vb2.buf[amtread]= 0; |
398 | if (memcmp(vb2.buf," close=",7)) Psyntax("syscall reply mismatch"); |
399 | if (vb2.buf[7] == 'E') { |
400 | int e; |
401 | e= Perrno(vb2.buf+7); |
402 | P_updatetime(); |
403 | errno= e; |
404 | return -1; |
405 | } |
406 | if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK"); |
407 | vb2.used= 7+2; |
408 | r= 0; |
409 | assert(vb2.used <= amtread); |
410 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
411 | P_updatetime(); |
412 | return r; |
413 | } |
414 | int Hsendto( int fd , const void *msg , int msglen , unsigned int flags , const struct sockaddr *addr , int addrlen ) { |
415 | int r, amtread; |
416 | char *ep; |
417 | Tmust("sendto","flags",flags==0); |
418 | Qsendto( fd , msg , msglen , addr , addrlen ); |
419 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
420 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
421 | Tensurereportfile(); |
422 | fprintf(Treportfile,"%s",vb2.buf); |
423 | amtread= strlen(vb2.buf); |
424 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
425 | Psyntax("badly formed line"); |
426 | vb2.buf[amtread]= 0; |
427 | if (memcmp(vb2.buf," sendto=",8)) Psyntax("syscall reply mismatch"); |
428 | if (vb2.buf[8] == 'E') { |
429 | int e; |
430 | e= Perrno(vb2.buf+8); |
431 | P_updatetime(); |
432 | errno= e; |
433 | return -1; |
434 | } |
435 | r= strtoul(vb2.buf+8,&ep,10); |
436 | if (*ep && *ep!=' ') Psyntax("return value not E* or positive number"); |
437 | vb2.used= ep - (char*)vb2.buf; |
438 | assert(vb2.used <= amtread); |
439 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
440 | P_updatetime(); |
441 | return r; |
442 | } |
443 | int Hrecvfrom( int fd , void *buf , int buflen , unsigned int flags , struct sockaddr *addr , int *addrlen ) { |
444 | int r, amtread; |
445 | Tmust("recvfrom","flags",flags==0); |
446 | Tmust("recvfrom","*addrlen",*addrlen>=sizeof(struct sockaddr_in)); |
447 | Qrecvfrom( fd , buflen , *addrlen ); |
448 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
449 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
450 | Tensurereportfile(); |
451 | fprintf(Treportfile,"%s",vb2.buf); |
452 | amtread= strlen(vb2.buf); |
453 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
454 | Psyntax("badly formed line"); |
455 | vb2.buf[amtread]= 0; |
456 | if (memcmp(vb2.buf," recvfrom=",10)) Psyntax("syscall reply mismatch"); |
457 | if (vb2.buf[10] == 'E') { |
458 | int e; |
459 | e= Perrno(vb2.buf+10); |
460 | P_updatetime(); |
461 | errno= e; |
462 | return -1; |
463 | } |
464 | if (memcmp(vb2.buf+10,"OK",2)) Psyntax("success/fail not E* or OK"); |
465 | vb2.used= 10+2; |
466 | r= 0; |
467 | Parg("addr"); Paddr(addr,addrlen); |
468 | assert(vb2.used <= amtread); |
469 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
470 | r= Pbytes(buf,buflen); |
471 | P_updatetime(); |
472 | return r; |
473 | } |
474 | int Hread( int fd , void *buf , size_t buflen ) { |
475 | int r, amtread; |
476 | Qread( fd , buflen ); |
477 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
478 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
479 | Tensurereportfile(); |
480 | fprintf(Treportfile,"%s",vb2.buf); |
481 | amtread= strlen(vb2.buf); |
482 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
483 | Psyntax("badly formed line"); |
484 | vb2.buf[amtread]= 0; |
485 | if (memcmp(vb2.buf," read=",6)) Psyntax("syscall reply mismatch"); |
486 | if (vb2.buf[6] == 'E') { |
487 | int e; |
488 | e= Perrno(vb2.buf+6); |
489 | P_updatetime(); |
490 | errno= e; |
491 | return -1; |
492 | } |
493 | if (memcmp(vb2.buf+6,"OK",2)) Psyntax("success/fail not E* or OK"); |
494 | vb2.used= 6+2; |
495 | r= 0; |
496 | assert(vb2.used <= amtread); |
497 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
498 | r= Pbytes(buf,buflen); |
499 | P_updatetime(); |
500 | return r; |
501 | } |
502 | int Hwrite( int fd , const void *buf , size_t len ) { |
503 | int r, amtread; |
504 | char *ep; |
505 | Qwrite( fd , buf , len ); |
506 | if (!adns__vbuf_ensure(&vb2,1000)) Tnomem(); |
507 | fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput(); |
508 | Tensurereportfile(); |
509 | fprintf(Treportfile,"%s",vb2.buf); |
510 | amtread= strlen(vb2.buf); |
511 | if (amtread<=0 || vb2.buf[--amtread]!='\n') |
512 | Psyntax("badly formed line"); |
513 | vb2.buf[amtread]= 0; |
514 | if (memcmp(vb2.buf," write=",7)) Psyntax("syscall reply mismatch"); |
515 | if (vb2.buf[7] == 'E') { |
516 | int e; |
517 | e= Perrno(vb2.buf+7); |
518 | P_updatetime(); |
519 | errno= e; |
520 | return -1; |
521 | } |
522 | r= strtoul(vb2.buf+7,&ep,10); |
523 | if (*ep && *ep!=' ') Psyntax("return value not E* or positive number"); |
524 | vb2.used= ep - (char*)vb2.buf; |
525 | assert(vb2.used <= amtread); |
526 | if (vb2.used != amtread) Psyntax("junk at end of line"); |
527 | P_updatetime(); |
528 | return r; |
529 | } |